the number of valence electrons in an element affects the reactivity of that element. which element listed has the fewest valence electrons?

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

When a scientific theory has been tested and proved by the scientific community, it becomes a law